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# Network Engineer

- **Company:** Barcelona Technical Center
- **Location:** Madrid, Spain (Remote available)
- **Contract:** Permanent contract
- **Skills:** Wireless LAN, Software System Penetration Testing, Border Gateway Protocol, VoIP, Cloud Computing, Data Centers, Enhanced Interior Gateway Routing Protocol, Networking Hardware, IP Addressing, Intrusion Detection Systems, Virtual Private Networks (VPN), Python (Programming Language), Nagios, Network Architecture, Network Diagrams, Network Installation Services, Routing, Network Virtualization, Open Shortest Path First (OSPF), Paessler Router Traffic Grapher, Ansible, Zero Trust Network Access, Virtual Local Area Networks, Wide Area Networks, Wireless Access Point, Network Routers, Load Balancing, System Availability, ARUBA, Firewalls (Computer Science), Juniper, SolarWinds (Software), Performance Monitor, Fortinet, Firewall Services Module, Software Version Control, Cisco, Vulnerability Analysis
- **Published:** September 19, 2026
- **Apply:** https://www.buscojobs.com.es/network-engineer-en-madrid-ID-370355401

## About the Role

Are you a seasoned network professional ready to lead infrastructure projects that make a real impact?
We're looking for a
Senior Network Engineer
to join our team and take ownership of designing, managing, and evolving our network infrastructure across multiple sites.
What You'll Do
Design and optimize LAN, WAN, WLAN, VPN, and SD-WAN infrastructures Drive scalability, redundancy, and high availability across environments Evaluate and recommend cutting-edge technologies from Cisco, Juniper, Aruba, and Fortinet Configure and manage routers, switches, firewalls, load balancers, and access points Monitor performance using tools like Nagios, PRTG, or SolarWinds Manage QoS policies, VLANs, IP addressing, and routing protocols (OSPF, BGP, EIGRP) Implement firewall policies, VPNs, and Zero Trust segmentation Conduct vulnerability assessments and contribute to penetration testing Keep security configurations aligned with current best practices (IDS/IPS, access control) Diagnose and resolve complex Level 2/3 network incidents Maintain thorough network diagrams, configurations, and documentation Automate repetitive tasks using
Ansible, Python , or custom scripting Manage configuration backups and version control for network equipment Work cross-functionally with systems, cloud, and cybersecurity teams Lead network deployments, data center migrations, and branch rollouts Manage vendors and external service providers What We're Looking For
5-8 years of experience in network infrastructure, including multi-site or data center environments Hands-on experience with SD-WAN, VoIP, QoS, and network virtualization (VLAN, VXLAN) Proficiency with hardware from Cisco, Juniper, HP/Aruba, Fortinet, or Palo Alto Proven leadership in multidisciplinary technical teams under high-pressure conditions Strong vendor management and coordination skills Relevant certifications a plus:
CCNP, CCIE, JNCIP, NSE , or equivalent English proficiency required (B2 minimum) - working language for technical documentation, international team communication, and vendor management Knowledge of additional languages (Spanish, German, or French) is a plus Why Join Us?
Work on complex, high-impact infrastructure projects Collaborate with international, cross-functional teams Real ownership and visibility in your role

## Description

Are you a seasoned network professional ready to lead infrastructure projects that make a real impact?We're looking for aSenior Network Engineerto join our team and take ownership of designing, managing, and evolving our network infrastructure across multiple sites.What You'll DoDesign and optimize LAN, WAN, WLAN, VPN, and SD-WAN infrastructures Drive scalability, redundancy, and high availability across environments Evaluate and recommend cutting-edge technologies from Cisco, Juniper, Aruba, and Fortinet Configure and manage routers, switches, firewalls, load balancers, and access points Monitor performance using tools like Nagios, PRTG, or SolarWinds Manage QoS policies, VLANs, IP addressing, and routing protocols (OSPF, BGP, EIGRP) Implement firewall policies, VPNs, and Zero Trust segmentation Conduct vulnerability assessments and contribute to penetration testing Keep security configurations aligned with current best practices (IDS/IPS, access control) Diagnose and resolve complex Level 2/3 network incidents Maintain thorough network diagrams, configurations, and documentation Automate repetitive tasks usingAnsible, Python , or custom scripting Manage configuration backups and version control for network equipment Work cross-functionally with systems, cloud, and cybersecurity teams Lead network deployments, data center migrations, and branch rollouts Manage vendors and external service providers What We're Looking For5-8 years of experience in network infrastructure, including multi-site or data center environments Hands-on experience with SD-WAN, VoIP, QoS, and network virtualization (VLAN, VXLAN) Proficiency with hardware from Cisco, Juniper, HP/Aruba, Fortinet, or Palo Alto Proven leadership in multidisciplinary technical teams under high-pressure conditions Strong vendor management and coordination skills Relevant certifications a plus:CCNP, CCIE, JNCIP, NSE , or equivalent English proficiency required (B2 minimum) - working language for technical documentation, international team communication, and vendor management Knowledge of additional languages (Spanish, German, or French) is a plus Why Join Us?Work on complex, high-impact infrastructure projects Collaborate with international, cross-functional teams Real ownership and visibility in your role#J-*****-Ljbffr


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